/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--atm--lec.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:16:35,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:16:35,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:16:35,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:16:35,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:16:35,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:16:35,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:16:35,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:16:35,883 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:16:35,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:16:35,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:16:35,896 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:16:35,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:16:35,900 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:16:35,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:16:35,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:16:35,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:16:35,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:16:35,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:16:35,925 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:16:35,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:16:35,932 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:16:35,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:16:35,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:16:35,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:16:35,949 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:16:35,950 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:16:35,952 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:16:35,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:16:35,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:16:35,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:16:35,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:16:35,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:16:35,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:16:35,961 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:16:35,961 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:16:35,962 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:16:35,962 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:16:35,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:16:35,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:16:35,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:16:35,971 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:16:36,036 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:16:36,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:16:36,038 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:16:36,038 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:16:36,040 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:16:36,041 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:16:36,044 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:16:36,044 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:16:36,044 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:16:36,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:16:36,046 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:16:36,046 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:16:36,047 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:16:36,047 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:16:36,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:16:36,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:16:36,048 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:16:36,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:16:36,048 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:16:36,049 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:16:36,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:16:36,049 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:16:36,049 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:16:36,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:16:36,050 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:16:36,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:16:36,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:16:36,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:16:36,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:16:36,051 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:16:36,051 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:16:36,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:16:36,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:16:36,052 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:16:36,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:16:36,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:16:36,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:16:36,540 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:16:36,541 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:16:36,543 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--atm--lec.ko-entry_point.cil.out.i [2022-10-15 21:16:36,635 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82c240561/505650e01e884b3a950edd179aa478d0/FLAG4ae302b7d [2022-10-15 21:16:37,895 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:16:37,895 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--atm--lec.ko-entry_point.cil.out.i [2022-10-15 21:16:37,974 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82c240561/505650e01e884b3a950edd179aa478d0/FLAG4ae302b7d [2022-10-15 21:16:38,187 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82c240561/505650e01e884b3a950edd179aa478d0 [2022-10-15 21:16:38,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:16:38,198 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:16:38,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:16:38,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:16:38,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:16:38,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:16:38" (1/1) ... [2022-10-15 21:16:38,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20c10d12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:38, skipping insertion in model container [2022-10-15 21:16:38,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:16:38" (1/1) ... [2022-10-15 21:16:38,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:16:38,520 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:16:39,265 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6098] [2022-10-15 21:16:39,266 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6099-6100] [2022-10-15 21:16:39,945 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--atm--lec.ko-entry_point.cil.out.i[187542,187555] [2022-10-15 21:16:41,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:16:41,752 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:16:41,911 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6098] [2022-10-15 21:16:41,912 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6099-6100] [2022-10-15 21:16:41,926 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--atm--lec.ko-entry_point.cil.out.i[187542,187555] [2022-10-15 21:16:42,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:16:42,642 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:16:42,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:42 WrapperNode [2022-10-15 21:16:42,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:16:42,644 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:16:42,645 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:16:42,645 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:16:42,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:42" (1/1) ... [2022-10-15 21:16:42,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:42" (1/1) ... [2022-10-15 21:16:43,091 INFO L138 Inliner]: procedures = 286, calls = 2898, calls flagged for inlining = 145, calls inlined = 128, statements flattened = 5577 [2022-10-15 21:16:43,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:16:43,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:16:43,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:16:43,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:16:43,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:42" (1/1) ... [2022-10-15 21:16:43,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:42" (1/1) ... [2022-10-15 21:16:43,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:42" (1/1) ... [2022-10-15 21:16:43,149 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:42" (1/1) ... [2022-10-15 21:16:43,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:42" (1/1) ... [2022-10-15 21:16:43,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:42" (1/1) ... [2022-10-15 21:16:43,410 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:42" (1/1) ... [2022-10-15 21:16:43,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:42" (1/1) ... [2022-10-15 21:16:43,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:16:43,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:16:43,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:16:43,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:16:43,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:42" (1/1) ... [2022-10-15 21:16:43,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:16:43,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:16:43,533 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:16:43,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:16:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-10-15 21:16:43,619 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-10-15 21:16:43,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-15 21:16:43,622 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-10-15 21:16:43,622 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-10-15 21:16:43,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-15 21:16:43,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-15 21:16:43,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-15 21:16:43,623 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-15 21:16:43,623 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-15 21:16:43,623 INFO L130 BoogieDeclarations]: Found specification of procedure send_to_lecd [2022-10-15 21:16:43,623 INFO L138 BoogieDeclarations]: Found implementation of procedure send_to_lecd [2022-10-15 21:16:43,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-10-15 21:16:43,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-10-15 21:16:43,624 INFO L130 BoogieDeclarations]: Found specification of procedure __lec_arp_check_expire [2022-10-15 21:16:43,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __lec_arp_check_expire [2022-10-15 21:16:43,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:16:43,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:16:43,625 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-10-15 21:16:43,625 INFO L130 BoogieDeclarations]: Found specification of procedure lec_seq_stop [2022-10-15 21:16:43,625 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_seq_stop [2022-10-15 21:16:43,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:16:43,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:16:43,626 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub [2022-10-15 21:16:43,626 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub [2022-10-15 21:16:43,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-15 21:16:43,626 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-15 21:16:43,627 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-15 21:16:43,627 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-15 21:16:43,627 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-15 21:16:43,627 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-15 21:16:43,627 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-10-15 21:16:43,628 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-10-15 21:16:43,628 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_find [2022-10-15 21:16:43,628 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_find [2022-10-15 21:16:43,628 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-15 21:16:43,628 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-15 21:16:43,629 INFO L130 BoogieDeclarations]: Found specification of procedure sk_atm [2022-10-15 21:16:43,629 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_atm [2022-10-15 21:16:43,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-10-15 21:16:43,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-10-15 21:16:43,629 INFO L130 BoogieDeclarations]: Found specification of procedure atm_may_send [2022-10-15 21:16:43,630 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_may_send [2022-10-15 21:16:43,630 INFO L130 BoogieDeclarations]: Found specification of procedure lec_seq_open [2022-10-15 21:16:43,630 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_seq_open [2022-10-15 21:16:43,630 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-15 21:16:43,630 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-10-15 21:16:43,631 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-10-15 21:16:43,632 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-10-15 21:16:43,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:16:43,632 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-15 21:16:43,633 INFO L130 BoogieDeclarations]: Found specification of procedure lec_tx_timeout [2022-10-15 21:16:43,633 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_tx_timeout [2022-10-15 21:16:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_empty [2022-10-15 21:16:43,634 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_empty [2022-10-15 21:16:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure lec_flush_complete [2022-10-15 21:16:43,634 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_flush_complete [2022-10-15 21:16:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:16:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-10-15 21:16:43,636 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-10-15 21:16:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure lec_send [2022-10-15 21:16:43,636 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_send [2022-10-15 21:16:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-10-15 21:16:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-15 21:16:43,637 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-15 21:16:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:16:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2022-10-15 21:16:43,639 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2022-10-15 21:16:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:16:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-10-15 21:16:43,640 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-10-15 21:16:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-15 21:16:43,641 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-15 21:16:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-10-15 21:16:43,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-10-15 21:16:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure lec_tbl_walk [2022-10-15 21:16:43,642 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_tbl_walk [2022-10-15 21:16:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-15 21:16:43,643 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-15 21:16:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-15 21:16:43,643 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-15 21:16:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-15 21:16:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-15 21:16:43,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-15 21:16:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure atm_force_charge [2022-10-15 21:16:43,645 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_force_charge [2022-10-15 21:16:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-15 21:16:43,645 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-15 21:16:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_check_expire [2022-10-15 21:16:43,647 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_check_expire [2022-10-15 21:16:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure atm_return [2022-10-15 21:16:43,648 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_return [2022-10-15 21:16:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-15 21:16:43,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-15 21:16:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 21:16:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2022-10-15 21:16:43,649 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2022-10-15 21:16:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure lec_get_idx [2022-10-15 21:16:43,649 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_get_idx [2022-10-15 21:16:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:16:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_add [2022-10-15 21:16:43,650 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_add [2022-10-15 21:16:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-15 21:16:43,650 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-15 21:16:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_add_head [2022-10-15 21:16:43,651 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_add_head [2022-10-15 21:16:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-10-15 21:16:43,651 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-10-15 21:16:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-15 21:16:43,652 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-15 21:16:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure lec_change_mtu [2022-10-15 21:16:43,652 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_change_mtu [2022-10-15 21:16:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_copy [2022-10-15 21:16:43,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_copy [2022-10-15 21:16:43,653 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-15 21:16:43,653 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-15 21:16:43,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-15 21:16:43,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-15 21:16:43,657 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2022-10-15 21:16:43,657 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2022-10-15 21:16:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:16:43,666 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:16:43,666 INFO L130 BoogieDeclarations]: Found specification of procedure lec_seq_show [2022-10-15 21:16:43,666 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_seq_show [2022-10-15 21:16:43,666 INFO L130 BoogieDeclarations]: Found specification of procedure vcc_release_async [2022-10-15 21:16:43,666 INFO L138 BoogieDeclarations]: Found implementation of procedure vcc_release_async [2022-10-15 21:16:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:16:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_del [2022-10-15 21:16:43,667 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_del [2022-10-15 21:16:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release_private [2022-10-15 21:16:43,667 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_release_private [2022-10-15 21:16:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:16:43,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:16:43,669 INFO L130 BoogieDeclarations]: Found specification of procedure lec_set_multicast_list [2022-10-15 21:16:43,669 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_set_multicast_list [2022-10-15 21:16:43,669 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_put [2022-10-15 21:16:43,669 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_put [2022-10-15 21:16:43,670 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_hold [2022-10-15 21:16:43,670 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_hold [2022-10-15 21:16:43,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:16:43,670 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-10-15 21:16:43,670 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-10-15 21:16:43,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:16:43,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:16:43,671 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-15 21:16:43,671 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-10-15 21:16:43,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-10-15 21:16:43,671 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 21:16:43,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 21:16:43,672 INFO L130 BoogieDeclarations]: Found specification of procedure lec_atm_send [2022-10-15 21:16:43,672 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_atm_send [2022-10-15 21:16:43,672 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-10-15 21:16:43,672 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-10-15 21:16:43,672 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2022-10-15 21:16:43,673 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2022-10-15 21:16:43,673 INFO L130 BoogieDeclarations]: Found specification of procedure lec_atm_close [2022-10-15 21:16:43,673 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_atm_close [2022-10-15 21:16:43,673 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-15 21:16:43,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-15 21:16:43,673 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-10-15 21:16:43,674 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-10-15 21:16:43,674 INFO L130 BoogieDeclarations]: Found specification of procedure make_entry [2022-10-15 21:16:43,674 INFO L138 BoogieDeclarations]: Found implementation of procedure make_entry [2022-10-15 21:16:43,674 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-15 21:16:43,674 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-15 21:16:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_remove [2022-10-15 21:16:43,675 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_remove [2022-10-15 21:16:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:16:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_update [2022-10-15 21:16:43,675 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_update [2022-10-15 21:16:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_clear_vccs [2022-10-15 21:16:43,676 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_clear_vccs [2022-10-15 21:16:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2022-10-15 21:16:43,676 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2022-10-15 21:16:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:16:43,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:16:44,894 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:16:44,899 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:16:45,157 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-15 21:16:55,319 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:16:57,402 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !(0 != (lec_addr_delete_~____ptr___0~4#1.base + lec_addr_delete_~____ptr___0~4#1.offset) % 4294967296);lec_addr_delete_~tmp___2~14#1.base, lec_addr_delete_~tmp___2~14#1.offset := 0, 0;lec_addr_delete_~entry~10#1.base, lec_addr_delete_~entry~10#1.offset := lec_addr_delete_~tmp___2~14#1.base, lec_addr_delete_~tmp___2~14#1.offset; [2022-10-15 21:16:57,402 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume 0 != (lec_addr_delete_~____ptr___0~4#1.base + lec_addr_delete_~____ptr___0~4#1.offset) % 4294967296;lec_addr_delete_~__mptr___0~5#1.base, lec_addr_delete_~__mptr___0~5#1.offset := lec_addr_delete_~____ptr___0~4#1.base, lec_addr_delete_~____ptr___0~4#1.offset;lec_addr_delete_~tmp___2~14#1.base, lec_addr_delete_~tmp___2~14#1.offset := lec_addr_delete_~__mptr___0~5#1.base, lec_addr_delete_~__mptr___0~5#1.offset; [2022-10-15 21:17:07,077 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:17:07,103 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:17:07,103 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:17:07,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:17:07 BoogieIcfgContainer [2022-10-15 21:17:07,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:17:07,111 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:17:07,111 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:17:07,117 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:17:07,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:16:38" (1/3) ... [2022-10-15 21:17:07,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f6d5f37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:17:07, skipping insertion in model container [2022-10-15 21:17:07,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:42" (2/3) ... [2022-10-15 21:17:07,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f6d5f37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:17:07, skipping insertion in model container [2022-10-15 21:17:07,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:17:07" (3/3) ... [2022-10-15 21:17:07,121 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--atm--lec.ko-entry_point.cil.out.i [2022-10-15 21:17:07,145 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:17:07,145 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 68 error locations. [2022-10-15 21:17:07,258 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:17:07,268 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@37e2933e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:17:07,268 INFO L358 AbstractCegarLoop]: Starting to check reachability of 68 error locations. [2022-10-15 21:17:07,281 INFO L276 IsEmpty]: Start isEmpty. Operand has 1803 states, 1296 states have (on average 1.4228395061728396) internal successors, (1844), 1403 states have internal predecessors, (1844), 361 states have call successors, (361), 78 states have call predecessors, (361), 77 states have return successors, (352), 342 states have call predecessors, (352), 352 states have call successors, (352) [2022-10-15 21:17:07,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 21:17:07,297 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:17:07,298 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:17:07,299 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [lec_get_idxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, lec_get_idxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lec_get_idxErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-15 21:17:07,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:17:07,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1371522058, now seen corresponding path program 1 times [2022-10-15 21:17:07,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:17:07,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72218582] [2022-10-15 21:17:07,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:17:07,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:17:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:08,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:17:08,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:08,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:17:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:08,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:17:08,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:08,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:17:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:08,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:17:08,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:08,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:17:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:08,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-15 21:17:08,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:08,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-15 21:17:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:08,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-15 21:17:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:08,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:17:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:08,534 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-10-15 21:17:08,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:17:08,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72218582] [2022-10-15 21:17:08,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72218582] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:17:08,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:17:08,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:17:08,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890408531] [2022-10-15 21:17:08,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:17:08,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:17:08,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:17:08,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:17:08,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:17:08,608 INFO L87 Difference]: Start difference. First operand has 1803 states, 1296 states have (on average 1.4228395061728396) internal successors, (1844), 1403 states have internal predecessors, (1844), 361 states have call successors, (361), 78 states have call predecessors, (361), 77 states have return successors, (352), 342 states have call predecessors, (352), 352 states have call successors, (352) Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-10-15 21:17:11,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:17:23,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []